EP0400549A3 - Verfahren zur Herstellung kornorientierter Elektrobleche mit verbesserten magnetischen Eigenschaften und besserer Oberflächenschicht - Google Patents

Verfahren zur Herstellung kornorientierter Elektrobleche mit verbesserten magnetischen Eigenschaften und besserer Oberflächenschicht Download PDF

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Publication number
EP0400549A3
EP0400549A3 EP19900110108 EP90110108A EP0400549A3 EP 0400549 A3 EP0400549 A3 EP 0400549A3 EP 19900110108 EP19900110108 EP 19900110108 EP 90110108 A EP90110108 A EP 90110108A EP 0400549 A3 EP0400549 A3 EP 0400549A3
Authority
EP
European Patent Office
Prior art keywords
sheet
annealing
decarburization
steel sheet
hot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19900110108
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English (en)
French (fr)
Other versions
EP0400549A2 (de
EP0400549B1 (de
Inventor
Kobayashi c/o Nippon Steel Corp. R & D Hisashi
Kuroki c/o Nippon Steel Corp. R & D Katsuro
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Nippon Steel Corp
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Nippon Steel Corp
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Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP0400549A2 publication Critical patent/EP0400549A2/de
Publication of EP0400549A3 publication Critical patent/EP0400549A3/de
Application granted granted Critical
Publication of EP0400549B1 publication Critical patent/EP0400549B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
EP90110108A 1989-05-29 1990-05-28 Verfahren zur Herstellung kornorientierter Elektrobleche mit verbesserten magnetischen Eigenschaften und besserer Oberflächenschicht Expired - Lifetime EP0400549B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1135371A JP2782086B2 (ja) 1989-05-29 1989-05-29 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
JP135371/89 1989-05-29

Publications (3)

Publication Number Publication Date
EP0400549A2 EP0400549A2 (de) 1990-12-05
EP0400549A3 true EP0400549A3 (de) 1992-10-07
EP0400549B1 EP0400549B1 (de) 1995-09-27

Family

ID=15150156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90110108A Expired - Lifetime EP0400549B1 (de) 1989-05-29 1990-05-28 Verfahren zur Herstellung kornorientierter Elektrobleche mit verbesserten magnetischen Eigenschaften und besserer Oberflächenschicht

Country Status (4)

Country Link
US (1) US4979997A (de)
EP (1) EP0400549B1 (de)
JP (1) JP2782086B2 (de)
DE (1) DE69022628T2 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5759293A (en) * 1989-01-07 1998-06-02 Nippon Steel Corporation Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip
US5186762A (en) * 1989-03-30 1993-02-16 Nippon Steel Corporation Process for producing grain-oriented electrical steel sheet having high magnetic flux density
CA2022907C (en) * 1989-08-09 1994-02-01 Mitsuru Kitamura Method of manufacturing a steel sheet
JP2599867B2 (ja) * 1991-08-20 1997-04-16 川崎製鉄株式会社 低鉄損方向性けい素鋼板の製造方法
JP2519615B2 (ja) * 1991-09-26 1996-07-31 新日本製鐵株式会社 磁気特性の優れた方向性電磁鋼板の製造方法
KR960010811B1 (ko) * 1992-04-16 1996-08-09 신니뽄세이데스 가부시끼가이샤 자성이 우수한 입자배향 전기 강 시트의 제조방법
US5288736A (en) * 1992-11-12 1994-02-22 Armco Inc. Method for producing regular grain oriented electrical steel using a single stage cold reduction
DE4311151C1 (de) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
US5417739A (en) * 1993-12-30 1995-05-23 Ltv Steel Company, Inc. Method of making high nitrogen content steel
US6217673B1 (en) 1994-04-26 2001-04-17 Ltv Steel Company, Inc. Process of making electrical steels
DE69517557T2 (de) * 1994-04-26 2001-02-08 Ltv Steel Co Inc Verfahren zum Herstellen von Elektrostahl
CN1054885C (zh) * 1995-07-26 2000-07-26 新日本制铁株式会社 生产一种具有镜面和改进了铁损的晶粒取向电工钢板的方法
US5830259A (en) * 1996-06-25 1998-11-03 Ltv Steel Company, Inc. Preventing skull accumulation on a steelmaking lance
IT1290171B1 (it) * 1996-12-24 1998-10-19 Acciai Speciali Terni Spa Procedimento per il trattamento di acciaio al silicio, a grano orientato.
IT1290172B1 (it) * 1996-12-24 1998-10-19 Acciai Speciali Terni Spa Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche.
US5885323A (en) * 1997-04-25 1999-03-23 Ltv Steel Company, Inc. Foamy slag process using multi-circuit lance
WO1999002742A2 (en) 1997-06-27 1999-01-21 Pohang Iron & Steel Co., Ltd. Method for manufacturing high magnetic flux density grain oriented electrical steel sheet based on low temperature slab heating method
US6068708A (en) * 1998-03-10 2000-05-30 Ltv Steel Company, Inc. Process of making electrical steels having good cleanliness and magnetic properties
DE102008039326A1 (de) 2008-08-22 2010-02-25 IWT Stiftung Institut für Werkstofftechnik Verfahren zum elektrischen Isolieren von Elektroblech, elektrisch isoliertes Elektroblech, lamellierter magnetischer Kern mit dem Elektroblech und Verfahren zum Herstellen eines lamellierten magnetischen Kerns
WO2011007771A1 (ja) 2009-07-13 2011-01-20 新日本製鐵株式会社 方向性電磁鋼板の製造方法
BR112012001161B1 (pt) 2009-07-17 2021-11-16 Nippon Steel Corporation Método de produção de uma chapa de aço elétrico com grão orientado
WO2011114178A1 (en) * 2010-03-19 2011-09-22 Arcelormittal Investigación Y Desarrollo Sl Process for the production of grain oriented electrical steel
DE102011119395A1 (de) * 2011-06-06 2012-12-06 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrostahlflachprodukts
WO2013089297A1 (ko) * 2011-12-16 2013-06-20 주식회사 포스코 자성이 우수한 방향성 전기강판의 제조방법
EP2940158B1 (de) 2012-12-28 2017-04-19 JFE Steel Corporation Herstellungsverfahren für kornorientiertes elektrostahlblech und primär rekristallisiertes stahlblech zur herstellung eines kornorientierten elektrostahlblechs
RU2617308C2 (ru) 2012-12-28 2017-04-24 ДжФЕ СТИЛ КОРПОРЕЙШН Способ производства текстурированного листа из электротехнической стали и первично-рекристаллизованный стальной лист для производства текстурированного листа из электротехнической стали
EP2940160B1 (de) 2012-12-28 2017-02-01 JFE Steel Corporation Herstellungsverfahren für kornorientierte elektrostahlbleche
JP6209999B2 (ja) * 2014-03-11 2017-10-11 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP6209998B2 (ja) * 2014-03-11 2017-10-11 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP6191529B2 (ja) * 2014-03-31 2017-09-06 Ｊｆｅスチール株式会社 方向性電磁鋼板用の一次再結晶焼鈍板および方向性電磁鋼板の製造方法
EP3196320B1 (de) 2014-09-04 2019-08-21 JFE Steel Corporation Verfahren zur herstellung eines direktionalen magnetischen stahlblechs und anlage zur nitrierbehandlung
JP6260513B2 (ja) 2014-10-30 2018-01-17 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP6350398B2 (ja) 2015-06-09 2018-07-04 Ｊｆｅスチール株式会社 方向性電磁鋼板およびその製造方法
KR20200113009A (ko) 2015-12-04 2020-10-05 제이에프이 스틸 가부시키가이샤 방향성 전자 강판의 제조 방법
KR102177523B1 (ko) 2015-12-22 2020-11-11 주식회사 포스코 방향성 전기강판 및 그 제조방법
JP6531864B2 (ja) 2016-02-22 2019-06-19 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP6455468B2 (ja) 2016-03-09 2019-01-23 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
CN108699621B (zh) 2016-03-09 2020-06-26 杰富意钢铁株式会社 取向性电磁钢板的制造方法
US20190161817A1 (en) 2016-07-29 2019-05-30 Jfe Steel Corporation Hot-rolled steel sheet for grain-oriented electrical steel sheet and method of producing same, and method of producing grain-oriented electrical steel sheet
JP6572864B2 (ja) 2016-10-18 2019-09-11 Ｊｆｅスチール株式会社 電磁鋼板製造用の熱延鋼板およびその製造方法
CN117062921A (zh) 2021-03-31 2023-11-14 杰富意钢铁株式会社 取向性电磁钢板的制造方法
US20240183011A1 (en) 2021-03-31 2024-06-06 Jfe Steel Corporation Method for producing grain-oriented electrical steel sheet

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867559A (en) * 1956-12-31 1959-01-06 Gen Electric Method for producing grain oriented silicon steel
US3287183A (en) * 1964-06-22 1966-11-22 Yawata Iron & Steel Co Process for producing single-oriented silicon steel sheets having a high magnetic induction
US3671337A (en) * 1969-02-21 1972-06-20 Nippon Steel Corp Process for producing grain oriented electromagnetic steel sheets having excellent magnetic characteristics
DE2923374A1 (de) * 1978-06-09 1979-12-20 Nippon Steel Corp Verfahren zur herstellung von kornorientiertem elektroblech
GB2130241A (en) * 1982-09-24 1984-05-31 Nippon Steel Corp Method for producing a grain- oriented electrical steel sheet having a high magnetic flux density
EP0339474A1 (de) * 1988-04-25 1989-11-02 Nippon Steel Corporation Verfahren zur Herstellung von kornorientiertem Elektrostahlblech mit ausgezeichneten magnetischen Eigenschaften und Filmeigenschaften
EP0219611B1 (de) * 1985-08-15 1990-05-16 Nippon Steel Corporation Verfahren zur Herstellung eines kornorientierten Elektro-Stahlblechs

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496455A (de) * 1972-05-08 1974-01-21
JPS5224116A (en) * 1975-08-20 1977-02-23 Nippon Steel Corp Material of high magnetic flux density one directionally orientated el ectromagnetic steel and its treating method
US4200477A (en) * 1978-03-16 1980-04-29 Allegheny Ludlum Industries, Inc. Processing for electromagnetic silicon steel
JPS59190324A (ja) * 1983-04-09 1984-10-29 Kawasaki Steel Corp 磁束密度の高い一方向性けい素鋼板の製造方法
JPS60121222A (ja) * 1983-12-02 1985-06-28 Kawasaki Steel Corp 一方向性珪素鋼板の製造方法
JPS6160896A (ja) * 1984-08-29 1986-03-28 Nippon Steel Corp アルコ−ルもしくはアルコ−ル含有燃料容器用鋼板
JPS6196080A (ja) * 1986-04-03 1986-05-14 Nippon Steel Corp 一方向性電磁鋼板用焼鈍分離剤
DE3875676T2 (de) * 1987-08-31 1993-03-18 Nippon Steel Corp Verfahren zur herstellung von kornorientierten stahlblechen mit metallglanz und ausgezeichneter stanzbarkeit.
EP0318051B1 (de) * 1987-11-27 1995-05-24 Nippon Steel Corporation Verfahren zur Herstellung doppeltorientierter Elektrobleche mit hoher Flussdichte

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867559A (en) * 1956-12-31 1959-01-06 Gen Electric Method for producing grain oriented silicon steel
US3287183A (en) * 1964-06-22 1966-11-22 Yawata Iron & Steel Co Process for producing single-oriented silicon steel sheets having a high magnetic induction
US3671337A (en) * 1969-02-21 1972-06-20 Nippon Steel Corp Process for producing grain oriented electromagnetic steel sheets having excellent magnetic characteristics
DE2923374A1 (de) * 1978-06-09 1979-12-20 Nippon Steel Corp Verfahren zur herstellung von kornorientiertem elektroblech
GB2130241A (en) * 1982-09-24 1984-05-31 Nippon Steel Corp Method for producing a grain- oriented electrical steel sheet having a high magnetic flux density
EP0219611B1 (de) * 1985-08-15 1990-05-16 Nippon Steel Corporation Verfahren zur Herstellung eines kornorientierten Elektro-Stahlblechs
EP0339474A1 (de) * 1988-04-25 1989-11-02 Nippon Steel Corporation Verfahren zur Herstellung von kornorientiertem Elektrostahlblech mit ausgezeichneten magnetischen Eigenschaften und Filmeigenschaften

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 9, no. 45 (C-268)(1768) 26 February 1985; & JP-A-59 190 324 (KAWASAKI SEITETSU) 29 October 1984 *

Also Published As

Publication number Publication date
US4979997A (en) 1990-12-25
EP0400549A2 (de) 1990-12-05
DE69022628T2 (de) 1996-05-15
EP0400549B1 (de) 1995-09-27
JP2782086B2 (ja) 1998-07-30
DE69022628D1 (de) 1995-11-02
JPH032324A (ja) 1991-01-08

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